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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F14%3A00228523%21RIV15-TA0-43210___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The aim of this study was to monitor antimicrobial abilities of filtration materials with and without the addition of silver. Microfiltering material SPURTEX with nanoparticles of silver, from SPUR a.s. Zlín was modified in Palacký University Olomouc - Regional Centre of Advanced Technologies and Materials. The modifications of membranes consisted of covalent bounding of Ag nanoparticles on the surface of the membrane through a polymeric linker. The advantages of this method are low service expenses and absence of potentially dangerous chemicals, which may be released into the water. Dimensions of membrane pores are ranged between 0,30 micrometer +- 0,12 micrometer, meaning that the selected membrane should be able to catch most of the microorganisms. Escherichia coli was selected for the simulation of microbiological contamination. This bacterium is an indicator of fecal contamination and its occurrence in water is very strictly monitored. The spreading of this bacterium in a human being is the cause of a range of digestive and urogynaecological diseases. 100 ml of contaminated water was filtrated at a pressure of 0,5 bar through a filtration device, which is made from anticorrosive steel and was sterilised before the experiment. For every sample, parameters of filtration were determined (filtration time, amount of bacteria before and after filtration, efficiency of filtration, etc.). In the samples, Escherichia coli on VRBL agar (Biokar Diagnostics, France) was determined using the plate cultivation method during 24 h at a temperature of 37 degrees of Celsium. The results of laboratory experiments shows materials with surface modification of Ag have a better microbiological characteristic. A more detailed description and results are in the experimental and methodological part of this submission. The aim of this study was to monitor antimicrobial abilities of filtration materials with and without the addition of silver. Microfiltering material SPURTEX with nanoparticles of silver, from SPUR a.s. Zlín was modified in Palacký University Olomouc - Regional Centre of Advanced Technologies and Materials. The modifications of membranes consisted of covalent bounding of Ag nanoparticles on the surface of the membrane through a polymeric linker. The advantages of this method are low service expenses and absence of potentially dangerous chemicals, which may be released into the water. Dimensions of membrane pores are ranged between 0,30 micrometer +- 0,12 micrometer, meaning that the selected membrane should be able to catch most of the microorganisms. Escherichia coli was selected for the simulation of microbiological contamination. This bacterium is an indicator of fecal contamination and its occurrence in water is very strictly monitored. The spreading of this bacterium in a human being is the cause of a range of digestive and urogynaecological diseases. 100 ml of contaminated water was filtrated at a pressure of 0,5 bar through a filtration device, which is made from anticorrosive steel and was sterilised before the experiment. For every sample, parameters of filtration were determined (filtration time, amount of bacteria before and after filtration, efficiency of filtration, etc.). In the samples, Escherichia coli on VRBL agar (Biokar Diagnostics, France) was determined using the plate cultivation method during 24 h at a temperature of 37 degrees of Celsium. The results of laboratory experiments shows materials with surface modification of Ag have a better microbiological characteristic. A more detailed description and results are in the experimental and methodological part of this submission.
dcterms:title
Comparision of the characteristics of membranes with and withou external modification with nanoparticles of silver Comparision of the characteristics of membranes with and withou external modification with nanoparticles of silver
skos:prefLabel
Comparision of the characteristics of membranes with and withou external modification with nanoparticles of silver Comparision of the characteristics of membranes with and withou external modification with nanoparticles of silver
skos:notation
RIV/62156489:43210/14:00228523!RIV15-TA0-43210___
n3:aktivita
n4:P
n3:aktivity
P(TA01010356)
n3:dodaniDat
n15:2015
n3:domaciTvurceVysledku
n11:3091988 n11:2001209 n11:6831214 n11:6287530
n3:druhVysledku
n10:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
7993
n3:idVysledku
RIV/62156489:43210/14:00228523
n3:jazykVysledku
n8:eng
n3:klicovaSlova
silver; filtration; bacteria; nanomaterials
n3:klicoveSlovo
n5:bacteria n5:filtration n5:silver n5:nanomaterials
n3:kontrolniKodProRIV
[15C83E09386D]
n3:mistoKonaniAkce
Brno
n3:mistoVydani
Ostrava
n3:nazevZdroje
NANOCON 2014
n3:obor
n13:EE
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:projekt
n16:TA01010356
n3:rokUplatneniVysledku
n15:2014
n3:tvurceVysledku
Detvanová, Lenka Došek, Michal Přichystalová, Jitka Dostálová, Lenka Lev, Jaroslav Kalhotka, Libor
n3:typAkce
n14:WRD
n3:zahajeniAkce
2014-01-01+01:00
s:numberOfPages
5
n12:hasPublisher
Tanger s.r.o.
n21:isbn
978-80-87294-55-0
n7:organizacniJednotka
43210